Demmel, James Weldon <br/><br/>
The Smallest Perturbation of A Submatrix Which LowersRank and Constrained total Least Squares Problems 

 - 199-206 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Constrained Least Squares<br/>total Least Squares<br/>Singular Values